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Which of the following is NOT true about the specification of the eye field? (Check all that apply) A ET induces RX, which in turn induces Otx2 and Pax6. B During late gastrulation, the forebrain and hindbrain are specified. C Pax6 initiates the expression of a network of transcription factors, some of which mutually activate one another. ET induces RX, which in turn induces Pax6 and blocks Otx2 within the eye field. E ET induces RX, which in turn blocks Otx2 and Pax6. F During early gastrulation, Noggin promotes the expression of both ET and Otx2. G) During late gastrulation, Otx2 blocks the inhibition of ET by Noggin. I H It starts with neural induction when the neural plate is induced within the ectoderm. Pax6 is only required for the specification of the retina. During early gastrulation, Noggin indices Otx2 but blocks ET.

Which of the following is NOT true about the specification of the eye field? (Check all that apply) A ET induces RX, which in turn induces Otx2 and Pax6. B During late gastrulation, the forebrain and hindbrain are specified. C Pax6 initiates the expression of a network of transcription factors, some of which mutually activate one another. ET induces RX, which in turn induces Pax6 and blocks Otx2 within the eye field. E ET induces RX, which in turn blocks Otx2 and Pax6. F During early gastrulation, Noggin promotes the expression of both ET and Otx2. G) During late gastrulation, Otx2 blocks the inhibition of ET by Noggin. I H It starts with neural induction when the neural plate is induced within the ectoderm. Pax6 is only required for the specification of the retina. During early gastrulation, Noggin indices Otx2 but blocks ET.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Which of the following is NOT true about the specification of the eye field? (Check all that apply) A ET induces RX, which in turn induces Otx2 and Pax6. B During late gastrulation, the forebrain and hindbrain are specified. Pax6 initiates the expression of a network of transcription factors, some of which mutually activate one another. D ET induces RX, which in turn induces Pax6 and blocks Otx2 within the eye field. ET induces RX, which in turn blocks Otx2 and Pax6. F During early gastrulation, Noggin promotes the expression of both ET and Otx2. During late gastrulation, Otx2 blocks the inhibition of ET by Noggin. H) It starts with neural induction when the neural plate is induced within the ectoderm. Pax6 is only required for the specification of the retina. During early gastrulation, Noggin indices Otx2 but blocks ET. E Feedback That's not correct
Transcribed Image Text:Which of the following is NOT true about the specification of the eye field? (Check all that apply) A ET induces RX, which in turn induces Otx2 and Pax6. B During late gastrulation, the forebrain and hindbrain are specified. Pax6 initiates the expression of a network of transcription factors, some of which mutually activate one another. D ET induces RX, which in turn induces Pax6 and blocks Otx2 within the eye field. ET induces RX, which in turn blocks Otx2 and Pax6. F During early gastrulation, Noggin promotes the expression of both ET and Otx2. During late gastrulation, Otx2 blocks the inhibition of ET by Noggin. H) It starts with neural induction when the neural plate is induced within the ectoderm. Pax6 is only required for the specification of the retina. During early gastrulation, Noggin indices Otx2 but blocks ET. E Feedback That's not correct
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